Do you track your sleep with a wristband or a bedroom sleep monitor? Are you working with a sleep app for guidance on how to relieve insomnia or some other sleep problem? If so, you are part of a growing number of people using technology to improve their nightly sleep.

Research—preliminary to be sure—suggests that our sleep-wake cycles may not only operate under the influence of the 24-hour circadian cycle of daylight and darkness, but under the effects of the roughly 29-day lunar cycle as well.

When you’re considering the food choices you make in order to support your health, keep in mind that you’re also influencing how well you sleep—and that it’s not just what you eat, but when, that may matter.